Polar Function Domain Restriction

Question

Which of the following domain restrictions for $$	heta$$ will produce the portion of the graph of the polar function $$r = 4\cos(2	heta)$$ for which $$x \geq 0$$?

Accepted Answer

-π/4 ≤ θ ≤ π/4, π/2 ≤ θ ≤ 3π/4, and 5π/4 ≤ θ ≤ 3π/2

Answer

0 ≤ θ ≤ π/2 and 3π/2 ≤ θ ≤ 2π

Answer

-π/2 ≤ θ ≤ π/2

Answer

0 ≤ θ ≤ π

Polar Function Domain Restriction

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